[1] Univ Zurich, Dept Psychol Clin Psychol & Psychotherapy, CH-8044 Zurich, Switzerland
[2] Univ Schleswig Holstein, Dept Psychiat & Psychotherapy, D-23538 Lubeck, Germany
[3] Helios Kliniken Schwerin, Carl Friedrich Flemming Klin, D-19049 Schwerin, Germany